kgtk-qt3/qt3/CMakeLists.txt

set(QT_MT_REQUIRED TRUE)
find_package(Qt3)

if (NOT QT_INCLUDE_DIR)
    MESSAGE(STATUS_ERROR "Qt3 package not found--assuming TQt4")
    SET(QT_INCLUDE_DIR "/usr/include/qt4" CACHE PATH "" FORCE)
endif (NOT QT_INCLUDE_DIR)

if (QT_INCLUDE_DIR)
    message("** INFORMATION: Qt3 LD_PRELOAD library will be built.")

    # set(LIB_SUFFIX "" CACHE STRING "Define suffix of directory name (32/64)" )
    set(LIB_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}"  CACHE PATH "The subdirectory relative to the install prefix where libraries will be installed (default is /lib${LIB_SUFFIX})" FORCE)

    ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/mangled.h
                    COMMAND ${CMAKE_SOURCE_DIR}/mangled.sh ${CMAKE_CXX_COMPILER} ${CMAKE_CURRENT_BINARY_DIR}/mangled.h)

    include_directories (${CMAKE_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR}/common ${CMAKE_BINARY_DIR} ${QT_INCLUDE_DIR})
    set(kqt3_SRCS kqt3.cpp mangled.h)
    add_definitions(${QT_DEFINITIONS} -DQT_CLEAN_NAMESPACE -DQT_THREAD_SUPPORT)
    add_library(kqt3 SHARED ${kqt3_SRCS})
    target_link_libraries(kqt3 ${QT_LIBRARIES} -lc -ldl)
    install(TARGETS kqt3 LIBRARY DESTINATION ${LIB_INSTALL_DIR}/kgtk)

    configure_file (kqt3-wrapper.cmake ${CMAKE_CURRENT_BINARY_DIR}/kqt3-wrapper @ONLY)
    install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/kqt3-wrapper DESTINATION bin)
else (QT_INCLUDE_DIR)
    message("** ERROR      : Could not locate Qt3 headers, Qt3 LD_PRELOAD library will not be built.")
endif (QT_INCLUDE_DIR)